• 25 Clutch121
• 26 Manual transmission80
• 27 Automatic transmission12
• 28 Transfer case6
• 29 Pedal assembly11
• 31 Frame, trailer operation46
• 32 Suspension34
• 33 Front axle61
• 35 Rear axle129
• 40 Wheels, chassis alignment check30
• 41 Propeller shaft5
• 42 Brakes - hydraulic and mechanical systems32
• 43 Brakes - pneumatic system and auxiliary brakes40
• 46 Steering106
• 54 Electrical system, equipment and instruments39
• 55 Auxiliary drive systems, hydraulic and linkage systems1
• 57 Central lubrication system2